S 4010-G50Y vs Thames Fog
Where S 4010-G50Y belongs to NCS's range, Thames Fog is a Valspar color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. They have nearly identical light reflectance values (29 vs 27), so they'll read as similarly Medium in most lighting conditions. The ΔE 3.3 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
S 4010-G50Y vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-G50Y on one side and Thames Fog on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More S 4010-G50Y comparisons
See how S 4010-G50Y stacks up against other well-photographed colors across different brands and tones.
